VS
Name
—
Mg₂Al(AlSiO₅)(OH)₄
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
2.5–3
Mohs hardness
—
2.78
Specific gravity
—
White with pale green tint
Streak
—
Pearly to somewhat metallic on cleavage surfaces
Luster
—
Perfect on {001}
Cleavage
—
C1
Space group
—
Serpentine, Clay
Structural group
—
Ame · Grandfathered
IMA
—
1876
Named in
—
Colorless, white, pink to lilac, or pale green
Typical colors
—
Mg · Al · Si · O · H
Elements
—